A5061727325- Adsorption and biosorption for pollutant removal
- X-ray Diffraction in Crystallography
- Magnetic Properties and Synthesis of Ferrites
- Arsenic contamination and mitigation
- Copper-based nanomaterials and applications
- Analytical chemistry methods development
- Chemical Synthesis and Characterization
- Graphene and Nanomaterials Applications
- X-ray Spectroscopy and Fluorescence Analysis
- Nanomaterials for catalytic reactions
- Nanoparticles: synthesis and applications
- Laser-Ablation Synthesis of Nanoparticles
- Fluoride Effects and Removal
- Plant Micronutrient Interactions and Effects
- Clay minerals and soil interactions
Universidad Nacional del Centro del Perú
2021-2024
National University of San Marcos
2022-2023
Various crystallite size estimation methods were used to analyze X-ray diffractograms of spherical cerium dioxide and titanium anatase nanoparticles aiming evaluate their reliability limitations. The microstructural parameters estimated from several integral breadth such as Scherrer, Monshi, Williamson–Hall, variants: (i) uniform deformation model, (ii) strain (iii) energy density model. We also employed the size–strain plot Halder–Wagner method. For this purpose, an instrumental resolution...
Zeolites 5A were obtained by ion exchange of a zeolite 4A, previously synthesized the hydrothermal method from precursor kaolin, with aim removal As(V) drinking water and Pb(II) irrigation surface water. Zeolite was characterized before after adsorption X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, photoelectron spectroscopy. To find mechanisms both As Pb in real waters, experiments on kinetics, optimum pH, adsorbent dose, isotherms developed. Adsorption...
The adsorption characteristics of titanium dioxide nanoparticles (nano-TiO2) for the removal Pb(II) from irrigation water were investigated in this work. To accomplish this, several factors, such as contact time and pH, tested to assess efficiencies mechanisms. Before after experiments, commercial nano-TiO2 was studied using X-ray diffraction (XRD), scanning transmission electron microscopy (SEM TEM), energy dispersive spectroscopy (EDS), photoelectron (XPS). outcomes showed that anatase...
A ternary nanocomposite made of nanomaghemite, nanoanatase, and graphene oxide has been successfully synthesized using an inorganic coprecipitation approach, it systematically investigated by X-ray diffraction, transmission electron microscopy, different spectrocopic techniques (electron energy loss, µ-Raman, 57Fe Mössbauer) after interaction with effluent containing Daphnia magna individuals. Specifically, the influence over carapace, administered in two doses (0.5 mg mL-1 1 mL-1),...
Various crystallite size estimation methods were used to analyze X-ray diffractograms of spherical cerium dioxide and donut-like titanium anatase nanoparticles aiming evaluate their reliability limitations. The microstructural parameters estimated from Scherrer, Monshi, Williamson-Hall, variants: i) uniform deformation model, ii) strain iii) energy density also size-strain plot, Halder-Wagner method. For that, improved systematic Matlab code was developed estimate the sizes strain, linear...